/*
 * SonarQube
 * Copyright (C) 2009-2023 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.ce.task.projectanalysis.formula.counter;

import javax.annotation.Nullable;

/**
 * Convenience class wrapping an int to compute the value and know it is has ever been set.
 */
public class IntValue {
  private boolean set = false;
  private int value = 0;

  /**
   * @return the current {@link IntValue} so that chained calls on a specific {@link IntValue} instance can be done
   */
  public IntValue increment(int increment) {
    this.value += increment;
    this.set = true;
    return this;
  }

  /**
   * @return the current {@link IntValue} so that chained calls on a specific {@link IntValue} instance can be done
   */
  public IntValue increment(@Nullable IntValue value) {
    if (value != null && value.isSet()) {
      increment(value.value);
    }
    return this;
  }

  public boolean isSet() {
    return set;
  }

  public int getValue() {
    return value;
  }

}
